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dpearson2699
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swiftdata

Implement and optimize SwiftData persistence with @Model, #Predicate, and @ModelActor.

981|50|Updated Mar 3, 2026
Search Tags:#concurrency#data modeling#persistence#swiftui#ios development#swiftdata#querying
One-click install
npx skills add https://github.com/dpearson2699/swift-ios-skills --skill swiftdata-dpearson2699
Or copy as Structured Prompt for Agent▼
Please help me install this Agent Skill.
Skill: swiftdata
Source: https://github.com/dpearson2699/swift-ios-skills/tree/main/skills/swiftdata
Command: npx skills add https://github.com/dpearson2699/swift-ios-skills --skill swiftdata-dpearson2699

SYSTEM DOCUMENTATION & REQUIREMENTS

💡 This Skill includes references (resource) components.

What problem does it solve?

This Skill helps you implement, review, or improve data persistence in your iOS applications using SwiftData, ensuring your app's data is managed efficiently and reliably.

Core Features & Use Cases

  • Model Definition: Define data models using @Model, @Attribute, @Relationship, and @Transient.
  • Querying Data: Fetch data using @Query, #Predicate, FetchDescriptor, and SortDescriptor.
  • Data Management: Set up ModelContainer and ModelContext, handle CRUD operations, and manage schema migrations.
  • Concurrency: Utilize @ModelActor for safe background data operations.
  • Use Case: You need to store user preferences, application state, or complex data structures in your SwiftUI app. This Skill guides you through setting up SwiftData models, querying them efficiently, and ensuring data integrity.

Quick Start

Use the swiftdata skill to define a new @Model class named 'Task' with String properties 'title' and 'details'.

Frequently Asked Questions about swiftdata

High-intent search queries and answers about installing and using this skill.

FAQPage Schema
How do I define data models for persistence in SwiftUI using SwiftData?▼

Set up SwiftData persistence by initializing a ModelContainer to manage the database schema, then access the ModelContext to execute create, read, update, and delete operations for your iOS application state.

How do I query and filter data using SwiftData in iOS development?▼

Query SwiftData data by applying @Query in SwiftUI views, and construct complex filters using #Predicate and FetchDescriptor combined with SortDescriptor to retrieve specific persisted application records.

What is the best way to handle concurrency and background data tasks with SwiftData?▼

Handle SwiftData concurrency safely by adopting the @ModelActor macro, which isolates background data operations and ensures thread-safe access to the ModelContext during complex background processing.

How do I manage schema migrations when updating SwiftData models?▼

Manage SwiftData schema migrations during application updates by configuring versioned schemas and mapping stages, ensuring persistent data structures remain intact and reliably upgraded across iOS app releases.

Can I use SwiftData for complex data structures in my iOS app?▼

Yes, SwiftData supports complex iOS data structures by allowing you to establish multi-entity relationships and define custom attributes, ensuring robust data persistence for intricate application state and user preferences.

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